12 Days of Christmas
665
99 Bottles of Beer
622
Abundant Numbers
632
772
Christmas Trees
635
649
Cubes
374
Diamonds
163
Divisors
904
Emirp Numbers
362
Evil Numbers
595
Fibonacci
670
Fizz Buzz
391
428
406
580
567
944
Leap Years
605
Morse Encoder
270
Niven Numbers
442
687
Odious Numbers
459
783
Pangram Grep
523
Pernicious Numbers
575
Prime Numbers
603
622
Roman to Arabic
437